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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

zeta_load
by New Contributor II
  • 1794 Views
  • 1 replies
  • 1 kudos

Resolved! Unique ID of table values is not unique anymore after merge every x-times

I have two tables with unique IDs:ID val ID val1 10 1 102 11 2 103 13 ...

  • 1794 Views
  • 1 replies
  • 1 kudos
Latest Reply
Anonymous
Not applicable
  • 1 kudos

@Lukas Goldschmied​ :There are a few reasons why you might be experiencing this issue:Data Skew: Data skew is a common problem in distributed computing when one or more nodes in the cluster have more data to process than others. This can lead to long...

  • 1 kudos
Alexander1
by New Contributor III
  • 12661 Views
  • 5 replies
  • 1 kudos

Resolved! Databricks JDBC/ODBC write batch size

I have spent way too much time to find a solution to the problem of efficiently writing data to Databricks via JDBC/ODBC. I have looked into countless docs, blogs and repos and I cannot find one example where someone is setting some kind of batch/bul...

  • 12661 Views
  • 5 replies
  • 1 kudos
Latest Reply
Alexander1
New Contributor III
  • 1 kudos

@Vidula Khanna​ yes, have done so. thanks.

  • 1 kudos
4 More Replies
nupur_dogra
by New Contributor II
  • 6575 Views
  • 4 replies
  • 0 kudos

Unable to get or download fundamentals of databricks lake house platform badge download

Hi Team,I have completed the fundamentals of databricks lakehouse platform and received the certificate but unable to download or get the badge.When I login to website I am unbale to see the badge as well.Please help me on this.I haven't received any...

  • 6575 Views
  • 4 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Nupur Dogra​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so w...

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3 More Replies
744291
by New Contributor III
  • 2232 Views
  • 6 replies
  • 0 kudos

I have attended an event on certification preparation on databricks data engineer associate on 17th Jan 2023.I have filled the survey form and it was ...

I have attended an event on certification preparation on databricks data engineer associate on 17th Jan 2023.I have filled the survey form and it was mentioned that I will receive the voucher in early Feb.Still I have not received.Please update me as...

  • 2232 Views
  • 6 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Rituparna Das​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so...

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5 More Replies
Meghala
by Valued Contributor II
  • 8641 Views
  • 11 replies
  • 2 kudos

Exam issues

How to approach the databricks team if we facing any problem ​Some time question is not appearing properly so any one know the solution kindly tell me ​

  • 8641 Views
  • 11 replies
  • 2 kudos
Latest Reply
Anonymous
Not applicable
  • 2 kudos

Hi @S Meghala​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so we ...

  • 2 kudos
10 More Replies
Krishna264
by New Contributor
  • 1725 Views
  • 2 replies
  • 0 kudos

Delta write stream to different folders dynamically based on input file

I have root folder and files are getting ingested in sub folders​ . Want to build a workflow which will write stream based on file being ingested

  • 1725 Views
  • 2 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Krishnamoorthy Natarajan​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Y...

  • 0 kudos
1 More Replies
tarhone
by New Contributor II
  • 5198 Views
  • 5 replies
  • 0 kudos

The Academy training "Introduction to Delta Live Tables" data source error

Hi,I flow the databricks academy training for "Introduction to Delta Live Tables", but it is cannot setup the environment, when excute first notebook "1_DLT UI Walkthrough", below is the error, who can provide the new data source path for this traini...

微信截图_20230205194952
  • 5198 Views
  • 5 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @fan tian​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so we c...

  • 0 kudos
4 More Replies
venkat-bodempud
by New Contributor III
  • 2475 Views
  • 3 replies
  • 0 kudos

Databricks-PowerBI-Architecture-Help

Hello Community,We are currently working designing Power BI reports, the data source is databricks. We have all our reporting data in bronze/silver layer of databricks. we want to create summarized/aggregated tables in Gold layer and we want to conne...

  • 2475 Views
  • 3 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @bodempudi venkat​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us...

  • 0 kudos
2 More Replies
Ullsokk
by New Contributor III
  • 2496 Views
  • 2 replies
  • 0 kudos

What is a good way to implement unit tests using github actions for databricks?

I am trying to use a git template for unit tests on a databricks project. The framework uses pylint, pytest and black to check the code. But I am having a lot of trouble getting the github actions vm to run the code without issues. I have had issues ...

  • 2496 Views
  • 2 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Stian Arntsen​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so...

  • 0 kudos
1 More Replies
najmead
by Contributor
  • 4114 Views
  • 2 replies
  • 0 kudos

Creating an external table reference vs creating a view

In a practical sense, what is the difference between creating an external table;create table my_catalog.my_schema.my_favourite_table location 'abfss://path/to/my/dataversus creating a view that references the same dataset;create view my_catalog.my_sc...

  • 4114 Views
  • 2 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Nicholas Mead​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feedbac...

  • 0 kudos
1 More Replies
param3sh
by New Contributor
  • 2094 Views
  • 3 replies
  • 0 kudos

Performance b/w Managed Table and Un-Managed table

I am using Databricks in Azure. I want to mount ADLS Gen2 on Databricks and create unmanged (external) tables on the mount point. But before that I want to know which will give best performance, is it Managed table (stores data in DBFS root)or Un-ma...

  • 2094 Views
  • 3 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Paramesh Malla​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feedba...

  • 0 kudos
2 More Replies
suman_gypsy
by New Contributor
  • 1241 Views
  • 2 replies
  • 0 kudos

github to adb workspace linkage

i have a workspace in my adb and in that workspace i have folder contains lots of notebook , for backup purpoe i want to copy all the notebook in my github repo, how can i do that in one shot ?

  • 1241 Views
  • 2 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @suman mukherjee​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feedb...

  • 0 kudos
1 More Replies
alexlod
by New Contributor III
  • 7196 Views
  • 2 replies
  • 3 kudos

Getting error "User is not an owner of Account" when creating a storage credential in Azure Databricks

I'm using Azure Databricks.I've followed this guide to create an Azure Storage Account and an Access Connector for Azure Databricks. I've given the `Storage Blob Data Contributor` role to the Access Connector in the Storage Account. When I go to the ...

Screenshot 2023-02-06 at 5.26.49 PM
  • 7196 Views
  • 2 replies
  • 3 kudos
Latest Reply
Anonymous
Not applicable
  • 3 kudos

Hi @Alex Loddengaard​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us...

  • 3 kudos
1 More Replies
RLH
by New Contributor
  • 2609 Views
  • 2 replies
  • 0 kudos

Delta Live Table Merge/Upserts

Hello,I am trying to create a basic DLT pipeline which does an incremental load. First time it runs perfectly without any issues. However when there are records to be updated, the pipeline fails with the following error:"Flow silver has FAILED fatall...

  • 2609 Views
  • 2 replies
  • 0 kudos
Latest Reply
Anonymous
Not applicable
  • 0 kudos

Hi @Ram LH​ Thank you for your question! To assist you better, please take a moment to review the answer and let me know if it best fits your needs.Please help us select the best solution by clicking on "Select As Best" if it does.Your feedback will ...

  • 0 kudos
1 More Replies
Leodatabricks
by Contributor
  • 7743 Views
  • 14 replies
  • 23 kudos

How to secure all clusters and then start running the code

When there are slow nodes, sometimes a job needs to resize its number of clusters to reach the required number of nodes. Is there any way to make sure no code is running before all nodes are secured? Thank you!

  • 7743 Views
  • 14 replies
  • 23 kudos
Latest Reply
Anonymous
Not applicable
  • 23 kudos

Hi @Leo Bao​ Hope everything is going great.Just wanted to check in if you were able to resolve your issue. If yes, would you be happy to mark an answer as best so that other members can find the solution more quickly? If not, please tell us so we ca...

  • 23 kudos
13 More Replies

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